Hair help!

I'm a 31 yr old white female and the ends of my hair are super dry.  I use an expensive conditioner that stays on for 3 mins in the shower, then use a leave in conditioner and then put coconut oil on after styling.  It still looks dry, and I just got it cut 2 weeks ago. I'm on prenatal vitamins as we're TTC, and take omega 3, no help.  Any tips or suggestions welcome!